Revert "Use V8 implementation of ArrayBuffer in Blink."

Source/wtf/ArrayBuffer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 42 matching lines @@
     inline const void* data() const;
     inline unsigned byteLength() const;
 
     inline PassRefPtr<ArrayBuffer> slice(int begin, int end) const;
     inline PassRefPtr<ArrayBuffer> slice(int begin) const;
 
     void addView(ArrayBufferView*);
     void removeView(ArrayBufferView*);
 
     bool transfer(ArrayBufferContents&, Vector<RefPtr<ArrayBufferView> >& neuteredViews);
-    bool isNeutered() { return m_isNeutered; }
+    bool isNeutered() { return !m_contents.data(); }
 
     bool hasDeallocationObserver() { return m_contents.hasDeallocationObserver(); }
     void setDeallocationObserver(ArrayBufferDeallocationObserver* observer) { m_contents.setDeallocationObserver(observer); }
 
     ~ArrayBuffer() { }
 
 private:
     static inline PassRefPtr<ArrayBuffer> create(unsigned numElements, unsigned elementByteSize, ArrayBufferContents::InitializationPolicy);
 
     inline ArrayBuffer(ArrayBufferContents&);
     inline PassRefPtr<ArrayBuffer> sliceImpl(unsigned begin, unsigned end) const;
     inline unsigned clampIndex(int index) const;
     static inline int clampValue(int x, int left, int right);
 
     ArrayBufferContents m_contents;
     ArrayBufferView* m_firstView;
-    bool m_isNeutered;
 };
 
 int ArrayBuffer::clampValue(int x, int left, int right)
 {
     ASSERT(left <= right);
     if (x < left)
         x = left;
     if (right < x)
         x = right;
     return x;
@@ skipping 31 matching lines @@
 
 PassRefPtr<ArrayBuffer> ArrayBuffer::create(unsigned numElements, unsigned elementByteSize, ArrayBufferContents::InitializationPolicy policy)
 {
     ArrayBufferContents contents(numElements, elementByteSize, policy);
     if (!contents.data())
         return 0;
     return adoptRef(new ArrayBuffer(contents));
 }
 
 ArrayBuffer::ArrayBuffer(ArrayBufferContents& contents)
-    : m_firstView(0), m_isNeutered(false)
+    : m_firstView(0)
 {
     contents.transfer(m_contents);
 }
 
 void* ArrayBuffer::data()
 {
     return m_contents.data();
 }
 
 const void* ArrayBuffer::data() const
@@ skipping 28 matching lines @@
     if (index < 0)
         index = currentLength + index;
     return clampValue(index, 0, currentLength);
 }
 
 } // namespace WTF
 
 using WTF::ArrayBuffer;
 
 #endif // ArrayBuffer_h